OpenTechnical

OT-2026-000013929

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000013929) never changes.

Identity and time

Publication numberOT-2026-000013929 · never reused
Internal UUID01a0ae6d-8dea-7db3-a679-dfdfaee196d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013929
StatusPUBLIC

Content hashes

Canonical textfb831070072d67b5bf02181ccbc5bcd25cb05aab04fd07ac6dd744eb649766a1
Markdownea04a5f0db0888b068b113e39aa1b83e34fa26e69d9acfa21a2d3b0610f94c3c
PDF
Publication pageebf55170690d3c9ee2a04494d3bbc415fdda4e6c4c97b4fc48b0896a0f102e1c
Manifestf648142a179d0f0f0b1c7abfe5ceb9b34401db1d768d4d36126fd4481cdb69fb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemCgRsjKS8jLdG5MA4CtYhNY6Q2s9VVP49rFFLaA85yAV9gfHDH8QDnL/LrU6wdJ7GbRTqnfSTHNlVghJU2CJAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:03.918559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013929
observed ebf55170690d3c9ee2a04494d3bbc415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.899804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013929/manifest.json
observed f648142a179d0f0f0b1c7abfe5ceb9b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.879757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013929/publication.md
observed ea04a5f0db0888b068b113e39aa1b83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.860921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013929/publication.txt
observed fb831070072d67b5bf02181ccbc5bcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.